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On chemical inhibition of shock wave ignition of hydrogen–oxygen mixtures

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Published under licence by IOP Publishing Ltd
, , Citation A V Drakon et al 2018 J. Phys.: Conf. Ser. 946 012062 DOI 10.1088/1742-6596/946/1/012062

1742-6596/946/1/012062

Abstract

In this work an influence of the wide range of various inhibitors, namely CCl4, CF3H, C2F4Br2, (CH3O)3P, CF3I and C3F7I on shock-induced ignition of hydrogen was experimentally investigated. Observed temperature dependencies of induction times indicates that CF3H and (CH3O)3P do not show noticeable inhibiting activity at given conditions, while the effectiveness of halogen-containing specie dramatically increases in a row Cl → Br → I. It is shown that the most effective inhibitors of ignition of hydrogen–oxygen mixtures are iodinated hydrocarbons CF3I and C3F7I.

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